3-6938-01 Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.34mm TS-0345Q
Analyzer, Testing Equipment

3-6938-01 Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.34mm TS-0345Q

model: 3-6938-01

Product Description

Product Model: 3-6938-01 Features This optical lens hav […]

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Product Details

Product Model: 3-6938-01

Features

  • This optical lens having negative focal length is mainly ***d for minification of image and light diverging.
  • This is also ***d for ext***ing focal length in the optimal system.
  • This product is mainly ***d as projector lens.
  • Made of quart, this product offers high transmittance in all regions from ultraviolet region to infra red ray wavelength region(approx. 900n*m*).
  • Its low thermal expansion coefficient ensures excellent heat resistance.

Spec

  • Outer diameter (φmm): 5
  • Focus distance (mm): -5
  • Bag focus (mm): -5.34
  • Medium thickness (mm): 1
  • Koba meat (mm): 2.29
  • Material: Synthetic quartz
  • Design wavelength: 587.6nm
  • Refractive index: 1.45850/nd
  • Chamfer (45°): 0.1mm
  • Tolerance range
  • Outer diameter: φ+0/-0.1mm
  • Center thickness: ±0.2mm
  • Focal length: ±2%
  • Surface quality: MIL60-40
  • Eccentricity: within 3 minutes (3')

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